TWM249672U - Airtight safe syringe with double elastic structure - Google Patents

Description

IVlZ4yb / Z IVlZ4yb / Z V. Creation Instructions (1) The technical field to which the new type belongs is compact, i? About: a kind of gas-tight safety injection needle with double elastic structure, the other 1 guanguan; a kind of safety injection swash tube can be completely inflated during injection, and can be punctured by the air-tight piston after injection to prevent secondary use [Previous technology] In recent years, many medical staff have been pinned, and therefore infected with hepatitis, love example: a lot of 'needle pinning and being injured by a sharp object are the potential of the medical staff to potential harm' According to the survey, 98% of nursing staff Will feel, but ρ Xiwei t, 1, = 70% of people are physicians. The wound caused by the needle is not big. The syringe Ϊ has the following hazards: hazards, used injections. Workers AP from A body fluid are contaminated appliances, if 餹 庵 m :. Injury may cause infection. Plus ★ ill patients, Λ = 4 occurs in general wards. Others include the operating room, knife-edge ward, treatment room, sanitary surgery, and back-to-needle action f ^ ^ heart, 0 to 4. From the perspective of medical behavior, it is easy to pierce the case before it has been put into the collection. The injection syringes used by Yuanyuan's injection syringes are more focused = 2 shells, so today's R & D ambassadors have needle tips when they work; the procedure 'to avoid medical staff ::: the airtight effect of the injection syringes is not Good ::: It is easy to produce due to the temperature difference due to the difference between temperature and temperature. It is easy to produce: * Reduce the shrinkage of the heat treatment to reduce the compression of the material of the syringe to reduce the air-tight effect of the female injection syringe. The meow ratio is worse M249672 V. Creation instructions (2) Today, injection syringes are all dragged, but if Without careful consideration, I7 immediately discarded the injection syringes used by the molecules in order to obtain improper money. When it is illegal, the consequences will be unsatisfactory :: Used syringes are used repeatedly. Therefore, this Creation, ~ Air-tight safety injection syringe, f problem and a shortcoming of a double elastic structure cylinder with poor air-tightness, 2 general safety injection needles puncture the air-tight piston, you; queen injection needle Canister used after injection Use it to produce a disease sensation, and make holes; ^ holes to avoid repeatable [new content] can solve the above problems. The main purpose of this creation is a safe injection syringe, pelvic salt is to provide a gas with a double elastic structure The dense elastic sheet cooperates to make it safe ;: = 踌 The airtight sound of the body of the needle seat and the hollow cannula, and ϋ completely airtight The secondary safety injection syringe for the secondary mesh is to provide a gas-tight hole with a double elastic structure to avoid ## 1. 1. After the injection, the gas-tight piston can be pierced to form the author's weight. The purpose of the safety injection needle is to provide a gas-tight structure with double elastic structure to avoid being struck twice. After the injection, the push rod can be rotated to break and reach the goal. The purpose of the syringe barrel, including == sexual knot: t airtight ... Note = the top of the syringe barrel is equipped with a middle and a putter 'to set one up ~ two sets of middle & middle jade sets up and down inside Tie clothes ~ lower ring groove, and the upper ring groove is not the same as the lower ring groove

Page 7 M249672

V. Creation instructions (3) A positioning elastic sheet and an airtight elastic sheet are respectively formed at the upper and lower positions on the inner side of the hollow cannula, and the inner wall of the upper end of the injection syringe is provided with at least one puncture body beside the hollow cannula; the needle seat system It is placed in a hollow cannula. Because the outer diameter of the lower end of one of the needle holders is greater than the outer diameter of the upper end, this system can be in close contact with the air-tight elastic sheet to achieve complete air-tightness. A needle holder is provided above the body. A plurality of positioning feathers are arranged on the outer side wall, and the needle seat is positioned in the hollow sleeve by embedding a positioning groove provided on the positioning feathers in the positioning elastic piece. A fixed ^ is placed above the push rod inserted in the injection syringe. The fixed seat is provided with a cylinder. The cylinder has a slope. The upper end surface is provided with a plurality of hooks for hooking the needle seat body. An air-tight piston is sleeved on a convex ring y fixed seat provided at the lower end. The air-tight piston is provided with a perforation for the cylinder to pass through, and a gap is provided above the push rod to make the push rod only The upper and lower ends are connected to the fixed base, so that when the syringe barrel is used, the rotating push rod can be broken to prevent it from being repeated twice. This is to make your reviewing committee The structural features and effects have further understanding and understanding, and I would like to cooperate with detailed explanations, ... After: The car is better ... Picture and [implementation mode]

Molybdenum, see the first picture and the second picture, which is one of the creations ::: 意 =: cross-section schematic diagram; as shown in the figure, the book ^: two;:; 2 cylinder 10, the top of the injection syringe 10 is set The upper and lower inner walls of the middle two casing 12 are respectively connected to the right one s-the lower ring groove 16, and the upper ring groove 14 and the lower ring groove 16 are connected to each other, J =

M249672 V. Creation instructions (4) The upper and lower inner walls of the cannula 12 are 20, the upper part of the injection syringe 10 is a puncture body 22; the hollow sleeve system includes a body 32, so that the body 3 and 2 system can be tightly sealed. Because the airtight elastic sheet 20 is affected by temperature changes, a convex ring 34 is injected, and a plurality of positioning feather pieces 44 are threaded on the seat 40. When the needle seat 30 is inserted on the middle elastic piece 18, Each positioning feather piece 44 grooves 48 〇 form a positioning spring piece 18 and a gas inner side wall inside the middle tube 12 is a penetrable airtight elastic piece 20 at the lower end of the body 32, which has an elastic shot syringe. Above the gas 10, there is a needle 42 above, and the needle cannula 12 is provided with a needle seat 30 next to it, which is slightly larger than the upper part to form a good work. The needle seat 40 of the body 32 is provided with an outer diameter for close contact to For this compactness, there is a 40 positioning pin on the outer side wall 44. A positioning cannula 46 is used to locate the hollow cannula 12, and an empty cannula 12 is placed above the needle. 3 0 is fixed to the positioning groove 4 6 The dense elastic sheet has at least the needle seat 3 0 The end with a good outer diameter will not be tied at the lower end The needle is provided with a groove 46 embedded in the head seat 40

A push cup 50 is inserted into the injection syringe. The bottom of the push rod 50 is provided with an elliptical abutment ring 51. A fixed seat 52 is provided above the push rod 50, and an upper portion of the push rod 50 is provided. A notch 53 is provided, so that the push rod 50 is connected to the fixed base 52 only by the two opposite ends. The outer side wall of the fixed base 52 is provided with an axial groove 54 and the fixed base 52 is sleeved. An airtight piston 70 is provided, and the fixed seat 52 is matched with a plurality of fixed convex rings 72 provided on the inner surface of the airtight piston 70 through a plurality of fixed ring grooves 56 provided on the outer surface, so that the airtight piston 70 sets The airtight piston 70 is provided on the fixed seat 52 with a perforation 74 for a cylindrical body 60 provided on the fixed seat 52. The upper end surface of the cylindrical body 60 has a slope and the upper surface Hooks on opposite sides

M249672 V. Creation Instructions (5) 62 and 64, the hooks 62 and 64 are relative to each other. The height of 62 is higher than the hook 64 on the other side. Please refer to the third to ninth figures together, which are schematic diagrams of the cross-section structure of the example during operation; before the first shot, the medicine in the medicine bottle is drawn into the medicine bottle 80 by the injection needle 42 piercing 50 of the medicine bottle. The injection f needle is used to pierce the slag of the tooth seal when piercing the cap of the medicine bottle, and it is in the human body when the human body is injected. Therefore, when the medicine 80 is extracted, the needle seat 30 is replaced with a new one. The method only needs the extraction groove 48 on the sheet 44 and pulls upward to insert a new needle seat 30 into the hollow cannula 12, and the positioning groove a on the insertion 44 is embedded into the needle seat 30 of the positioning spring sheet a. Fixed to the hollow casing 12. After the replacement of the new needle seat 30, if the fourth / first push up to exhaust the air in the injection syringe 10 = is slightly larger than the outer diameter of the upper end, so that the body 32 touches you to form a good air tightness, so It can be ejected from the main needle 4 2 / without injection of the medicine as shown in the figure 8. The medicine 80 is injected into the human body through the injection needle 42 as shown in the sixth figure. It is shown that when the injection is performed, the puncture body 22 must pierce the air-tight piston 70 and the hook is' when the air-tight piston 70 is pierced by the piercing body 22 and the side claw ^ is created. Third, as shown, in order to perform the injection cap and pull down the pusher cylinder 10, in order to prevent the needle tip of the injection needle 4 2 from remaining thorns, the remaining slag must be injected into the needle seat 30 and the finger 82 Press and hold the positioning feather to remove the needle seat 30, and then you must set the positioning feather, so you can replace the new one shown in the figure. The push rod 'can be tightly closed with the airtight elastic sheet 20 because of the lower end of the body 32. The air in the injection syringe 10 leaks out, and then push the push rod 50 upwards as described above, so that the push rod 50 When pushing up, the claws 7 2, 7 4 hook the convex ring 3 4 to form a hole 7 6 (please

M249672 V. Creation Instructions (6) —— Picture "Solid = =: = Axial groove 54 u is provided; therefore, when Tian Gang grabs piston 70 with holes 76, note ==: ίΐ = and no: use, borrow This design can prevent airtightness = shown in the figure: the push rod 50 is pulled down to position the groove 2. And pull the needle seat 30 into the injection syringe 10, and the surface has an inclination plus the gap between the hooks 72 and 74, and the needle seat 30 will fall into one of the injection syringes. Side, to avoid injuring the health care personnel with the injection needle 42 exposed; even = indicates that when the injection needle 42 is dumped on one of the sides of the injection syringe 10, the injection needle 42 is pushed upward to bend the injection needle 42, in order to ensure the safety of medical personnel. Enter I. As shown in the tenth picture, the putter of this creation is 50% free ^. That is, the rod 50 is fixed only by the two opposite ends of the upper part; Ϊ ：: 3 After performing the above operations, only the push rod 50 needs to be rotated, and by turning the eye, the force 1 can break off the push rod 50 , Make the putter 50 and u, so it can be prevented from being used twice. MH produces a knife off. In summary, this creation has a double elastic structure and is airtight. It is made of positioning springs i 8 and positioning springs 44. The king / shooting cylinder is the needle seat 3. It is fixed to the hollow cannula 12 and uses gas: = 46 ′ 32 to make the injection syringe !. It has good airtightness = body = sex, so this creation will not be affected by temperature when used == airtightness of the syringe 10 '. In addition, when the injection is completed, it will be = 5 and the injection will be the airtight piston. 70 pierce to form a hole 76, which will cause loss of airtightness: the dental stab body 22 is used repeatedly-in addition, it can be used for injection; ::: avoid%, then, turn off the putter page 11

50 and 疋 solid pedestal 52 are separated, which can prevent secondary repeated use. The above is only a preferred embodiment of this creation, and is not used to limit the scope of implementation of this creation. Therefore, all the equal changes in shape, structure, characteristics and spirit described in the scope of patents requested in this creation And modification 'shall be included in the scope of patent application for this creation. [Comparison of drawing number] 10 Injection syringe 12 Hollow sleeve 14 Upper ring groove 16 Lower ring groove 18 Positioning spring 20 Airtight spring 22 Puncture body 3 0 Needle seat 51 Abutment ring 5 2 Fixing seat 53 Notch 54 Groove 56 Fixing ring Slot 60 Cylinder 62 Hook 32 34 40 42 44 46 48 50 64 70 72 74 76 80 82

Body Convex ring Needle seat Injection needle Positioning vane Positioning groove Extraction groove Push rod Hook Airtight piston Fixed convex ring Perforation

Hole potion finger

M249672

Claims (1)

M249672 6. Scope of patent application 1. A gas-tight, safe injection syringe with a double elastic structure, which includes an injection syringe with a hollow cannula at its top end, and a positioning spring piece on the inner side of the hollow cannula. And an airtight elastic sheet; a needle seat, which is installed in the hollow cannula, an outer diameter of a lower end of a body of the needle base is larger than an outer diameter of the upper end so as to be able to contact and cooperate with the airtight elastic sheet; and the lower end of the body A convex ring is provided. A needle seat is provided above the body. An injection needle is provided on the needle seat. A plurality of positioning feathers are provided on the outer side wall of the needle seat. The positioning feathers are provided with a positioning groove. Embedded in the positioning spring; and a push rod, which is placed in the injection syringe 'a fixed seat is provided above the push rod, and the fixed seat is sleeved with an air-tight piston' the air-tight piston A perforation is provided for a cylindrical body of the fixing base to pass through. The upper surface of the cylindrical body is provided with a plurality of hooks and claws to hook the convex ring. 2. The gas-tight safety injection syringe with double elastic structure as described in item 1 of the scope of patent application, wherein the inner wall of the upper end of the injection syringe is further provided with at least one puncture body beside the hollow cannula. 3. The gas-tight safety injection syringe with double elastic structure as described in item 1 of the scope of the patent application, wherein an upper ring groove and a lower ring groove are respectively provided on the upper and lower sides of the hollow sleeve, and the upper ring groove and the lower ring The groove system is not connected to form the positioning elastic sheet and the airtight elastic sheet. = Airtight security injection syringe with double elastic structure as described in the first patent application scope, wherein the positioning vane is in the positioning concave system 1 ^ 249672 6. The patent application scope is also provided with a extraction groove. 7 If the patent application scope is a full injection syringe, the fixing ring groove can be fixed to cooperate with the convex ring. If the patent application scope is a full injection syringe, the plurality of hooks The patent range of the hook on the side of the syringe is 8 9 10, and the push connection is applied to the groove as applied for full injection. If applying for a full injection, such as applying for a patented syringe with a full range of injection, the rod only uses the patented range of syringes, its patented range of syringes, the airtight security of the double elastic structure described in the $ 1 item, and the S1 seat. The outer surface is further provided with a plurality of " Hou Qixiong, and the plurality of fixed inner piston surface settings are fixed. The upper end surface of the Anhai Uhai cylinder with a double elastic structure as described in item 1 above has a slope of ^ The way is set on the top of the cylinder. The height of the claw is higher than the claw on the other side. The airtightness of the dual elastic structure described in item 1 is further provided on the outer side wall of the fixed seat-the airtightness of the dual elastic structure described in item 1 of the shaft is further provided above the push rod. There is a gap, the two opposite ends of I ^ Yang Wan and the fixed seat phase = the airtight security of the double elastic structure described in item 1. The bottom of the putter is further provided with an abutment ring. The airtight security with bi-elastic structure described in item 9 is elliptical. Page 15